*/
void close() {
if(handle)
+ {
+ handle->priv = 0;
meshlink_close(handle);
+ }
handle=0;
}
/// This functions is called whenever another node attemps to open a channel to the local node.
/**
+ * If the channel is accepted, the poll_callback will be set to channel_poll and can be
+ * changed using set_channel_poll_cb(). Likewise, the receive callback is set to
+ * channel_receive().
+ *
* The function is run in MeshLink's own thread.
* It is therefore important that the callback uses apprioriate methods (queues, pipes, locking, etc.)
* to pass data to or from the application's thread.
*/
virtual bool channel_accept(channel *channel, uint16_t port, const void *data, size_t len)
{
- /* by default reject all channels */
- return false;
+ /* by default reject all channels */
+ return false;
}
/// This function is called by Meshlink for receiving data from a channel.
return (node *)meshlink_get_node(handle, name);
}
+ /// Get a handle for our own node.
+ /** This function returns a handle for the local node.
+ *
+ * @return A pointer to a meshlink::node which represents the local node.
+ */
+ node *get_self() {
+ return (node *)meshlink_get_self(handle);
+ }
+
/// Get a list of all nodes.
/** This function returns a list with handles for all known nodes.
*
/// Open a reliable stream channel to another node.
/** This function is called whenever a remote node wants to open a channel to the local node.
* The application then has to decide whether to accept or reject this channel.
- *
- * This function sets the channel poll callback to channel_poll_trampoline, which in turn
- * calls channel_poll. To set a differnt, channel-specific poll callback, use set_channel_poll_cb.
+ *
+ * This function sets the channel poll callback to channel_poll_trampoline, which in turn
+ * calls channel_poll. To set a differnt, channel-specific poll callback, use set_channel_poll_cb.
*
* @param node The node to which this channel is being initiated.
* @param port The port number the peer wishes to connect to.
*/
channel *channel_open(node *node, uint16_t port, channel_receive_cb_t cb, const void *data, size_t len) {
channel *ch = (channel *)meshlink_channel_open(handle, node, port, (meshlink_channel_receive_cb_t)cb, data, len);
- meshlink_set_channel_poll_cb(handle, ch, &channel_poll_trampoline);
- return ch;
+ meshlink_set_channel_poll_cb(handle, ch, &channel_poll_trampoline);
+ return ch;
}
/**
*/
channel *channel_open(node *node, uint16_t port, const void *data, size_t len) {
channel *ch = (channel *)meshlink_channel_open(handle, node, port, &channel_receive_trampoline, data, len);
- meshlink_set_channel_poll_cb(handle, ch, &channel_poll_trampoline);
- return ch;
+ meshlink_set_channel_poll_cb(handle, ch, &channel_poll_trampoline);
+ return ch;
}
/// Partially close a reliable stream channel.
/// static callback trampolines:
static void receive_trampoline(meshlink_handle_t* handle, meshlink_node_t* source, const void* data, size_t length)
{
+ if (!(handle->priv))
+ return;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
that->receive(static_cast<node*>(source), data, length);
}
static void node_status_trampoline(meshlink_handle_t* handle, meshlink_node_t* peer, bool reachable)
{
+ if (!(handle->priv))
+ return;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
that->node_status(static_cast<node*>(peer), reachable);
}
static void log_trampoline(meshlink_handle_t* handle, log_level_t level, const char* message)
{
+ if (!(handle->priv))
+ return;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
that->log(level, message);
}
static bool channel_accept_trampoline(meshlink_handle_t *handle, meshlink_channel *channel, uint16_t port, const void *data, size_t len)
{
+ if (!(handle->priv))
+ return false;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
bool accepted = that->channel_accept(static_cast<meshlink::channel*>(channel), port, data, len);
if (accepted)
{
+ meshlink_set_channel_receive_cb(handle, channel, &channel_receive_trampoline);
meshlink_set_channel_poll_cb(handle, channel, &channel_poll_trampoline);
}
return accepted;
static void channel_receive_trampoline(meshlink_handle_t *handle, meshlink_channel *channel, const void* data, size_t len)
{
+ if (!(handle->priv))
+ return;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
that->channel_receive(static_cast<meshlink::channel*>(channel), data, len);
}
static void channel_poll_trampoline(meshlink_handle_t *handle, meshlink_channel *channel, size_t len)
{
+ if (!(handle->priv))
+ return;
meshlink::mesh* that = static_cast<mesh*>(handle->priv);
that->channel_poll(static_cast<meshlink::channel*>(channel), len);
}
return meshlink_strerror(err);
}
+ /// Destroy a MeshLink instance.
+ /** This function remove all configuration files of a MeshLink instance. It should only be called when the application
+ * does not have an open handle to this instance. Afterwards, a call to meshlink_open() will create a completely
+ * new instance.
+ *
+ * @param confbase The directory in which MeshLink stores its configuration files.
+ * After the function returns, the application is free to overwrite or free @a confbase @a.
+ *
+ * @return This function will return true if the MeshLink instance was succesfully destroyed, false otherwise.
+ */
+ static bool destroy(const char *confbase) {
+ return meshlink_destroy(confbase);
+ }
}
#endif // MESHLINKPP_H
projects / meshlink / blobdiff